| OHOBJF Holdings, LLC | Cincinnati | OH | — | ◇ UNVERIFIED |
| ODObrien Design LLC Dba Alta Creative | San Diego | CA | — | ◇ UNVERIFIED |
| OBOcean Beach Sportswear, Inc. | Fairfield | CA | — | ◇ UNVERIFIED |
| OTOceano Trading Corporation | Sugar Land | TX | — | ◇ UNVERIFIED |
| OPOcean Pacific Images | Denver | CO | — | ◇ UNVERIFIED |
| OIOcpc INC | Irvine | CA | — | ◇ UNVERIFIED |
| OIOctane Ink, LLC | Tea | SD | — | ◇ UNVERIFIED |
| OPO'dell Printing | Rohnert Park | CA | — | ◇ UNVERIFIED |
| OPO'econ Print INC. | Topeka | KS | — | ◇ UNVERIFIED |
| OAOf All Times, INC. | Pico Rivera | CA | — | ◇ UNVERIFIED |
| OPOffco-offset Printing CO | Fairfield | CA | — | ◇ UNVERIFIED |
| OOOffice of State Publishing | West Sacramento | CA | — | ◇ UNVERIFIED |
| OVOhio Valley Screenprinting, Inc. | Lawrenceburg | IN | — | ◇ UNVERIFIED |
| OPOjai Printing & Publishing CO. | Ojai | CA | — | ◇ UNVERIFIED |
| OCOJ Clothing & Printing LLC | Apache Junction | AZ | — | ◇ UNVERIFIED |
| OAOklahoma Apparel LLC | Newcastle | OK | — | ◇ UNVERIFIED |
| OEOkumus Enterprises, LTD. Dba Star Label Products | Fairless Hills | PA | — | ◇ UNVERIFIED |
| OHOld Henry LLC | Roanoke | TX | — | ◇ UNVERIFIED |
| OLOld Lutheran INC Dba First Avenue Promotional | Moorhead | MN | — | ◇ UNVERIFIED |
| OSOld Stage Printing | Surgoinsville | TN | — | ◇ UNVERIFIED |
| OTOld Time Sports | Salisbury | MA | — | ◇ UNVERIFIED |
| OPOlson Printing INC | Nashville | TN | — | ◇ UNVERIFIED |
| OGOlympian Graphics INC | Oakland | CA | — | ◇ UNVERIFIED |
| OGOlympus Group Orlando CO | Orlando | FL | — | ◇ UNVERIFIED |
| OEOmar Ebrahimi dba Vividly Branded | Tracy | CA | — | ◇ UNVERIFIED |
| OFOme9a Franchises LLC | Ontario | OH | — | ◇ UNVERIFIED |
| OPOmega Printing | Palo Alto | CA | — | ◇ UNVERIFIED |
| OSOmnova Solutions INC. | Monroe | NC | — | ◇ UNVERIFIED |
| ODOn Demand 3d Technology, INC. | Tustin | CA | — | ◇ UNVERIFIED |
| OAOne Accord Corporation Dba Postageone | Valencia | CA | — | ◇ UNVERIFIED |
| OPOneida Printing (former) | Green Bay | WI | — | ◇ UNVERIFIED |
| ODOneil Data Systems INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| OSOne Source Printing and Graphics, INC. | Houston | TX | — | ◇ UNVERIFIED |
| OPOnesource Print Management Inc. | Lake Geneva | WI | — | ◇ UNVERIFIED |
| OSOne Stop Printing & Binding | Winnetka | CA | — | ◇ UNVERIFIED |
 Onetouchpoint Midwest CORP. | Green Bay | WI | — | ◇ UNVERIFIED |
| OTOne, Two, Three, INC. | Woodbury | NJ | — | ◇ UNVERIFIED |
| OLOn Line Graphics INC | Anaheim | CA | — | ◇ UNVERIFIED |
| OLOn Line Graphics, INC. | Orange | CA | — | ◇ UNVERIFIED |
| OTOn Target Printing and Graphics LLC | Fairfield | NJ | — | ◇ UNVERIFIED |
| OTOn the Limit USA LTD | Duluth | MN | — | ◇ UNVERIFIED |
| OTOn Time Printz LLC | Hallandale Beach | FL | — | ◇ UNVERIFIED |
| OSOn-time Screen Printing & Embroidery, LLC | Derby | CT | — | ◇ UNVERIFIED |
| OHOpacity Holdings LLC | New York | NY | — | ◇ UNVERIFIED |
| OIOperation Imprint LLP | Ainsworth | IA | — | ◇ UNVERIFIED |
| ODOptical Disc Media | Valencia | CA | — | ◇ UNVERIFIED |
| OCOrange Circle Studio CORP. | Oceanside | CA | — | ◇ UNVERIFIED |
| OCOrange County Register Communications | Anaheim | CA | — | ◇ UNVERIFIED |
| OMOrb Media & Display Service | South Gate | CA | — | ◇ UNVERIFIED |
| OPOrca Printing | Memphis | TN | — | ◇ UNVERIFIED |
